Following five problems

Current Wd $30\%$ Tax rate $30\%$

Structure Ws $70\%$

WACC $12\%$

Other Rf $5\%$ Tax rate $30\%$

Factors Market Risk Premium $8\%$

What is the unlevered beta?

Group of answer choices

$1\mathrm{.}231$

$0\mathrm{.}538$

$0\mathrm{.}625$

$0\mathrm{.}769$